326364663121 has 6 divisors (see below), whose sum is σ = 379648689810. Its totient is φ = 279741139776.

The previous prime is 326364663083. The next prime is 326364663161. The reversal of 326364663121 is 121366463623.

It can be written as a sum of positive squares in only one way, i.e., 280438030096 + 45926633025 = 529564^2 + 214305^2 .

It is not a de Polignac number, because 326364663121 - 2¹³ = 326364654929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326364663161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3330251616 + ... + 3330251713.

It is an arithmetic number, because the mean of its divisors is an integer number (63274781635).

Almost surely, 2^326364663121 is an apocalyptic number.

It is an amenable number.

326364663121 is a deficient number, since it is larger than the sum of its proper divisors (53284026689).

326364663121 is an equidigital number, since it uses as much as digits as its factorization.

326364663121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660503343 (or 6660503336 counting only the distinct ones).

The product of its digits is 559872, while the sum is 43.

The spelling of 326364663121 in words is "three hundred twenty-six billion, three hundred sixty-four million, six hundred sixty-three thousand, one hundred twenty-one".